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Comets

Browse and discover detailed information about 197 of the most interesting comets. Comets are listed in order of decreasing brightness.

Visibility from selected location  = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet 213P/Van Ness

213P/Van Ness
R.A: 09h 24m 06s   Dec: +11° 16’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.1 (JPL) 
in Leo   current altitude greater than 30 degrees above the horizon

Comet 153P/Ikeya-Zhang

153P/Ikeya-Zhang
R.A: 20h 02m 06s   Dec: -31° 50’ 28”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.2 (JPL) 
in Sagittarius   object currently below the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 34m 32s   Dec: -19° 53’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.5 (JPL) 
in Hydra   current altitude less than 30 degrees above the horizon

Comet 255P/Levy

255P/Levy
R.A: 21h 15m 02s   Dec: -08° 37’ 12”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 38.1 (JPL)  brightening
in Aquarius   object currently below the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 26m 07s   Dec: -18° 14’ 44”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 47.3 (JPL) 
in Libra   object currently below the horizon

Comet 72P/Denning-Fujikawa

72P/Denning-Fujikawa
R.A: 13h 43m 19s   Dec: -12° 10’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 48.1 (JPL)  brightening
in Virgo   object currently below the horizon

Comet 27P/Crommelin

27P/Crommelin
R.A: 17h 21m 23s   Dec: -17° 58’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 53.0 (JPL) 
in Ophiucus   object currently below the horizon

Comet 205P/Giacobini

205P/Giacobini
R.A: 15h 24m 13s   Dec: +01° 11’ 22”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Serpens   object currently below the horizon

Comet Great January Comet of 1910 (C/1910 A1)

C/1910 A1 (Great January Comet)
R.A: 20h 05m 13s   Dec: +06° 54’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Aquila   object currently below the horizon

Comet Skjellerup-Maristany (C/1927 X1)

C/1927 X1 (Skjellerup-Maristany)
R.A: 17h 10m 09s   Dec: -65° 58’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Ara   object currently below the horizon

Comet C/1956 R1 (Arend-Roland)

C/1956 R1 (Arend-Roland)
R.A: 03h 58m 24s   Dec: +68° 41’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Camelopardalis   current altitude greater than 30 degrees above the horizon

Comet C/1969 Y1 (Bennett)

C/1969 Y1 (Bennett)
R.A: 02h 30m 42s   Dec: +29° 46’ 03”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Triangulum   current altitude less than 30 degrees above the horizon

Comet West (C/1975 V1-A)

C/1975 V1-A (West)
R.A: 19h 40m 10s   Dec: -16° 10’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Sagittarius   object currently below the horizon

Eclipse comet (Comet C/1948 V1)

C/1948 V1 (Eclipse comet)
R.A: 08h 42m 34s   Dec: -05° 03’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Hydra   current altitude greater than 30 degrees above the horizon

Comet Ikeya-Seki (C/1965 S1)

C/1965 S1 (Ikeya-Seki)
R.A: 06h 44m 23s   Dec: -11° 39’ 04”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Canis Majoris   current altitude less than 30 degrees above the horizon

Comet C/2012 S1 (ISON)

C/2012 S1 (ISON)
R.A: 07h 15m 06s   Dec: +37° 21’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Auriga   current altitude greater than 30 degrees above the horizon

Southern Comet (C/1947 X1-A)

C/1947 X1-A (Southern Comet)
R.A: 21h 50m 53s   Dec: -04° 16’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude N.A. (JPL) 
in Aquarius   object currently below the horizon
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